/Engine/Source/Runtime/ApplicationCore/Public/GenericPlatform/GenericPlatformSplash.h
static bool GetSplashPath ( const TCHAR * SplashFilename, const TCHAR * IconFilename, [FString](API\Runtime\Core\Containers\FString) & OutPath, [FString](API\Runtime\Core\Containers\FString) & OutIconPath, bool & OutIsCustom )